import { ComponentProps, CSSProperties, useMemo } from "react"
import * as RechartsPrimitive from "recharts"

import { cn } from "@/lib/utils"

import { getPayloadConfigFromPayload } from "./get-payload-config-from-payload"
import { useChart } from "./use-chart"

function ChartTooltipContent({
  active,
  payload,
  className,
  indicator = "dot",
  hideLabel = false,
  hideIndicator = false,
  label,
  labelFormatter,
  labelClassName,
  formatter,
  color,
  nameKey,
  labelKey,
}: ComponentProps<typeof RechartsPrimitive.Tooltip> &
  ComponentProps<"div"> & {
    hideLabel?: boolean
    hideIndicator?: boolean
    indicator?: "line" | "dot" | "dashed"
    nameKey?: string
    labelKey?: string
  }) {
  const { config } = useChart()

  const tooltipLabel = useMemo(() => {
    if (hideLabel || !payload?.length) {
      return null
    }

    const [item] = payload
    const key = `${labelKey || item?.dataKey || item?.name || "value"}`
    const itemConfig = getPayloadConfigFromPayload(config, item, key)
    const value =
      !labelKey && typeof label === "string"
        ? config[label as keyof typeof config]?.label || label
        : itemConfig?.label

    if (labelFormatter) {
      return (
        <div className={cn("font-medium", labelClassName)}>
          {labelFormatter(value, payload)}
        </div>
      )
    }

    if (!value) {
      return null
    }

    return <div className={cn("font-medium", labelClassName)}>{value}</div>
  }, [
    label,
    labelFormatter,
    payload,
    hideLabel,
    labelClassName,
    config,
    labelKey,
  ])

  if (!active || !payload?.length) {
    return null
  }

  const nestLabel = payload.length === 1 && indicator !== "dot"

  return (
    <div
      className={cn(
        "border-border/50 bg-background grid min-w-[8rem] items-start gap-1.5 rounded-lg border px-2.5 py-1.5 text-xs shadow-xl",
        className
      )}
    >
      {!nestLabel ? tooltipLabel : null}
      <div className="grid gap-1.5">
        {payload.map((item, index) => {
          const key = `${nameKey || item.name || item.dataKey || "value"}`
          const itemConfig = getPayloadConfigFromPayload(config, item, key)
          const indicatorColor = color || item.payload.fill || item.color

          return (
            <div
              key={item.dataKey}
              className={cn(
                "[&>svg]:text-muted-foreground flex w-full flex-wrap items-stretch gap-2 [&>svg]:h-2.5 [&>svg]:w-2.5",
                indicator === "dot" && "items-center"
              )}
            >
              {formatter && item?.value !== undefined && item.name ? (
                formatter(item.value, item.name, item, index, item.payload)
              ) : (
                <>
                  {itemConfig?.icon ? (
                    <itemConfig.icon />
                  ) : (
                    !hideIndicator && (
                      <div
                        className={cn(
                          "shrink-0 rounded-[2px] border-(--color-border) bg-(--color-bg)",
                          {
                            "h-2.5 w-2.5": indicator === "dot",
                            "w-1": indicator === "line",
                            "w-0 border-[1.5px] border-dashed bg-transparent":
                              indicator === "dashed",
                            "my-0.5": nestLabel && indicator === "dashed",
                          }
                        )}
                        style={
                          {
                            "--color-bg": indicatorColor,
                            "--color-border": indicatorColor,
                          } as CSSProperties
                        }
                      />
                    )
                  )}
                  <div
                    className={cn(
                      "flex flex-1 justify-between leading-none",
                      nestLabel ? "items-end" : "items-center"
                    )}
                  >
                    <div className="grid gap-1.5">
                      {nestLabel ? tooltipLabel : null}
                      <span className="text-muted-foreground">
                        {itemConfig?.label || item.name}
                      </span>
                    </div>
                    {item.value && (
                      <span className="text-foreground font-mono font-medium tabular-nums">
                        {item.value.toLocaleString()}
                      </span>
                    )}
                  </div>
                </>
              )}
            </div>
          )
        })}
      </div>
    </div>
  )
}

export { ChartTooltipContent }
